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1999 Audi A4 Quattro 1.8L Poor Idle Quality, Hesitation, MIL Lamp on
Posted to European Driveability on 6/1/2010 7 Replies

This audi was brought to me with an imtermittent rough idle and poor acceleration problem with the electrical consumers on when hot. Drove the car with the ac, radio and lights on and experienced the problem. At that time had only rich p1127 code in ecu. Had d...

7 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1999 Audi A4 Quattro

VIN WAUCB28D4X
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursHot, A/C and Radio On

Trouble Codes

P0103Mass Airflow Sensor Circuit High Voltage
P0118Engine Coolant Temperature Sensor Circuit High Voltage
P0121Throttle Position Sensor Range/Performance
P1127Long Term Fuel Trim Multiplier System Too Rich
P1555Battery Module Temperature Sensor Signal 1 Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1999 Audi A4 Quattro

VIN WAUCB28D4X
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursHot, A/C and Radio On

Trouble Codes

P0103Mass Airflow Sensor Circuit High Voltage
P0118Engine Coolant Temperature Sensor Circuit High Voltage
P0121Throttle Position Sensor Range/Performance
P1127Long Term Fuel Trim Multiplier System Too Rich
P1555Battery Module Temperature Sensor Signal 1 Circuit Low Voltage